The helium-neon laser treatment helps the body to clear inflammation and dilate local blood vessels to achieve pain relief, as follows: 1. Treatment of skin diseases: for example, ulcers or trauma, or a decrease in body resistance, such as herpes zoster, can be treated with the helium-neon laser to help the body control the rash in a timely manner. 2. Treatment of rheumatoid arthritis: the microwave emitted by the helium-neon laser can heat the local tissues to relieve redness, swelling, heat, pain, dysfunction and pain, etc. 3. The microwave emitted by the helium-neon laser can heat the local tissues and relieve the redness, swelling, heat, pain, dysfunction and pain of the surrounding tissues, etc. 3. Promote wound healing: Wounds and traumas can also be irradiated with the helium-neon laser to promote faster repair. At the same time, the helium-neon laser instrument also has very many principles and roles, mainly the role of anti-inflammatory and analgesic, dilation of blood vessels, the above is the main principle of the role of the helium-neon laser instrument, as well as a summary of the role.